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Finding the Fourth Proportional to 58,403.91, 87,605.88 and 33,426.54

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Solution

The fourth proportional to 58,403.91, 87,605.88 and 33,426.54 is: 50,139.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,403.91 : 87,605.88 = 33,426.54 : x
  2. Step 2: Convert to fraction form
    58,403.91/87,605.88 = 33,426.54/x
  3. Step 3: Cross multiply
    58,403.91x = 87,605.88 × 33,426.54
  4. Step 4: Simplify right side
    58,403.91x = 2,928,361,452.06
  5. Step 5: Solve for x
    x = 2,928,361,452.06/58,403.91
  6. Step 6: Final answer
    x = 50,139.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.